Southwest® flights from Charleston to Baltimore/Washington from $99

Promo Code

Low fares from Charleston to Baltimore/Washington

$

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 09/22/2026

One-way

Basic

From
$99
Seen: 22 hrs ago

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 10/13/2026

One-way

Basic

From
$99
Seen: 10 hrs ago

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 10/21/2026

One-way

Basic

From
$99
Seen: 2 hrs ago

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 10/07/2026

One-way

Basic

From
$99
Seen: 2 hrs ago

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 10/10/2026

One-way

Basic

From
$99
Seen: 20 hrs ago

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 09/23/2026

One-way

Basic

From
$99
Seen: 21 hrs ago

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Explore flights from Charleston to Baltimore/Washington

Aug 2026
From$264*
Seen: 2 hrs ago
One Way/Basic
Sep 2026
From$99*
Seen: 21 hrs ago
One Way/Basic
Oct 2026
From$99*
Seen: 22 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $99
cmp-daily-histogram-bars-legend-max-price-aria-label $407
Displaying fares for August-2026
  • CHS–BWI, 08/22/2026: From $407
    22

    Sat

    AUG

  • CHS–BWI, 08/23/2026: From $407
    23

    Sun

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    24

    Mon

  • CHS–BWI, 08/25/2026: From $407
    25

    Tue

  • CHS–BWI, 08/26/2026: From $407
    26

    Wed

  • CHS–BWI, 08/27/2026: From $264
    27

    Thu

  • CHS–BWI, 08/28/2026: From $264
    28

    Fri

  • CHS–BWI, 08/29/2026: From $264
    29

    Sat

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

  • CHS–BWI, 08/31/2026: From $264
    31

    Mon

  • CHS–BWI, 09/01/2026: From $264
    01

    Tue

    SEP

  • CHS–BWI, 09/02/2026: From $264
    02

    Wed

  • CHS–BWI, 09/03/2026: From $237
    03

    Thu

  • CHS–BWI, 09/04/2026: From $237
    04

    Fri

  • CHS–BWI, 09/05/2026: From $206
    05

    Sat

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    06

    Sun

  • CHS–BWI, 09/07/2026: From $407
    07

    Mon

  • CHS–BWI, 09/08/2026: From $206
    08

    Tue

  • CHS–BWI, 09/09/2026: From $206
    09

    Wed

  • CHS–BWI, 09/10/2026: From $206
    10

    Thu

  • CHS–BWI, 09/11/2026: From $109
    11

    Fri

  • CHS–BWI, 09/12/2026: From $99
    12

    Sat

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    13

    Sun

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    14

    Mon

  • CHS–BWI, 09/15/2026: From $99
    15

    Tue

  • CHS–BWI, 09/16/2026: From $99
    16

    Wed

  • CHS–BWI, 09/17/2026: From $99
    17

    Thu

  • CHS–BWI, 09/18/2026: From $109
    18

    Fri

  • CHS–BWI, 09/19/2026: From $109
    19

    Sat

  • CHS–BWI, 09/20/2026: From $237
    20

    Sun

  • CHS–BWI, 09/21/2026: From $158
    21

    Mon

    • Range$99-$407

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Charleston International Airport
    Arriving at:
    Balt./Wash. International Airport
    Average flight time:
    1 hour 28 minutes
    Distance:
    472 miles

    Route Information

    77† Weekly flights
    • 3‡ Nonstop flights per day Monday through Friday
    • 3‡ Nonstop flights on Saturday
    • 4‡ Nonstop flights on Sunday

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    The average flight time from Charleston to Baltimore/Washington is 1 hour 28 minutes.
    There are 77 weekly flights from Charleston to Baltimore/Washington on Southwest Airlines.
    Yes, Southwest flies nonstop from Charleston to Baltimore/Washington 3 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Charleston to Baltimore/Washington 3 times per day on Saturdays and 4 times per day on Sundays.
    To find the lowest fares by day and time to fly Charleston to Baltimore/Washington with Southwest, check out our Low Fare Calendar.
    You can rent a car at Balt./Wash. International Airport book yours with your flight.
    Yes! Flights from Charleston to Baltimore/Washington—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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